Dumping vehicle



Sept. 11, 1928. 1,684,095

H. c. HEATON nuurma vmcpa Filed Dec. 7, 1925 s Sheets-Sheet 1 arman any I J g WMMAM) cfnven W' 3 Sheets-Sheet, 2

H. C. HEATON DUIPING vamcnn Filed Doc. '1. 1925 Sept. 11, 1928.

Sept. 11, 1928.

I H. c. HE ATON Filed Dec. 7, 1925 3 Sheets-Sheet 3 Patented Sept. 11, 19 28.

- UNITED- STAT-ES C. HILTON, CHICAGO, ILLINOIS.

nmrrmavnnrom.

ag neeaen med December 7, 1925. Serial No. 78,546.

This invention relates to dumping vehicles and its object is the provision of a generally improved and simplified means for dislodging the load or contents from the body andmore specifically for doing this without placing any undesirable stress u on the transmission or other (parts of the ve i'cle- This is especially a vantageous where the material is sticky or wet or otherwise adheres to the interior surfaces of the body or for any other reason becomes lodged therein.

Complete and expeditious discharge of the load is assured and the disadvantages of relying solely upon the tilting of the body v for discharging the load are overcome.

According to my present invention, I provide for shaking or vibrating the body to dislodge the load and to assure complete and expeditious discharge thereof. The

dislodging means may be driven from any desired driving or driven part of the 'vehicle and it may be controlled manually or automatically, as desired. The. disposition and character of the power take-off for the dislodging means may be varied to suit any particular vehicle or installation and the particular character of the shaking or vibratory action imparted may also be varied or supplemented, as desired.

The invention is illustrated in the accompanying drawings, in which 2-- Fig. 1 is a side elevational view of a dumping vehicle showing an embodimentof my invention in connection therewith, the side of the vehicle being partially broken away to reveal the drive take-off for the dislodging means;

Fig. 2 is a transverse section taken on the line 22 of Fig. 1;

Fig. 3 is a view similar to Fig. 1, showing a modification;

Fig. 4 is a fragmentary side elevatlonal view of the unlodging means of Fig. 3 and the take-01f therefor, partially broken away and partially in section; and

Fig. 5 is a transverse section taken on the line 55 of Fig. 4.

Referring to the drawings, the vehicle or truck shown in Figs. 1 and 2 has the usual or any suitable running gear includin the wheels 5, and is provided with a rame which may include the sill or side fram members 6.

The dumping body 7 may also be of any suitable or preferred form. For the purpose of tilting or dumping the body 7, I

have shown in Fig. 1 a hoist 8 of the hydraulic cylinder type, but it isto be understood that any suitable or preferred dumping gear maybe employed.

he lo'ad' dislodging means comprises a longitudinally extending shaft 10 journaled adjacent its rear end at 12-on the frame 6 and provided with a gear 13 which meshes with a gear ltand drlves a relatively short transversely dis osed shaft 15 upon which said gear 14 is xed. The shaft 15 is journaled at its opposite ends at 16 and 17, respectively, on the frame 6, and fixed on the shaft 15 to turn therewith between the journals 16 and 17 is a cam roller 18 which underlies and cooperates peripherall with a roller 19. The roller 19 seats pre erably upon thetop of the cam roller 18 and it may be mounted upon a short transverse shaft journaled at 20 and 21 in suitable brackets on the sub-frame 22 of the tilting body 7.

The forward end of the longitudinal shaft 10 has asuitable clutch 23 which is adapted to be controlled from the drivers seat by a lever 24 to drivingly connect the shaft 10 with and disconnect ,it from some driving or driven part 25 of the vehicle. The drive or power take-off for the shaft 10 may take off from the engine transmission, or any other suitable or preferred part. In the drawings, the shaft 26 is shown as taking off rearwardly of the fly wheel to be driven continuously by the engine, whether the vehicle is in motion or at rest, and the gear 27 which. is normally loose upon the shaft 26 meshes continuously with a gear 28 mounted upon and turning the shaft 10 therewith. The driving clutch part 29 is splined or keyed to the shaft 26 and by its movement into drivinglengagement with the gear 27, connects the shaft 26 and gear 27 for rotation together, whereupon the shaft 10 will be rotated or driven through the meshing engagement of the gear 28 with the gear 27.

The sub-frame 22 of the body 7 is shown as comprising longitudinal channels 30 and the body 7 is hinged or pivoted to the chassis or frame 6 at 32 by means of trunnion pins-33 fastened to the sub-frame 22 of the body 7 and extending into and journaled in openings 35 formed in brackets 36 suitably attached'or mounted upon the side frame members 6 of the chassis of the vehicle. The journal openings 35 in the bracket members 36 are elongated vertically to permit the shaking or vibratory actionimparted to the body 7 b the cooperation of the cam member 18 wit the roller 19.

In operation, the dum ing body 7 is raised by the dumping mec a'nism 8. When a fair angle of elevation has been reached and referably at substantially the limit of the dumping movement of the body, .the lever 24 is manually operated to throw in the clutch 23, thereby connecting the dislod ing shaft 10 for rotation with the power sha t 26. As the shaft 10 rotates, the cam member 28 by its engagement with the roller 19 vibrates or shakes the body 7 up and down thereby expediting the discharge of the load and shaking and dlslodging any material adhering to the inner surfaces of the bed Iii the embodiments of Figs. 3, 4 and 5, the chassis frame is designated at 40, the dum ing body at 42 and its underlying or subrame at 43. In this case, the dumping mechanism is designated at 45 and it is drlven from the engine or other driving mechanism of the vehicle by means of a longitudinal shaft.46. The dumping mechanism 45 and drive therefor is typical of a mechanism of this sort now in use, and forms no part of the present invention. Sufiice it to say that the shaft 46 drives a gear pump and that the hoist itself is of the hydraulic cylinder type, the hoist being pivoted at 48 to swing with the body and apply the lifting efi'ort properly thereto throughout the different angular positions of the body.

As before, the body'42 is pivoted upon the frame 40 by trunnion pins 49 which extend from the sub-frame 43 of the body into suitable openings 50 in the brackets 51 attached, to or mounted upon the frame members 40.

The shaking or vibratin cam 56 is normally loose u on a shaft 5 disposed longitudinally of t e frame 40 and drivingly connected by means of a link 58 with an extension 59 of the hoist drive shaft 46. The connecting link 58 is referably extensible at 60 to allow .for t e different angular positions of the body and hoist means, and the shaft 57 may be rotatably mounted in journals 62 on the frame 40.

The cam member 56 has a clutch element 65 and a complementary clutch element 66 is splined or keyed upon the shaft 57 and adapted to be shifted into engagement with the clutch element 65 to connect the cam member 56 for rotation with the shaft 57. The clutch means is, in this case, controlled automatically by the tilting or dumping movement of the body. For this purpose arm 7 O is pivoted at 72 on the frame 40 and below its pivot 72 has pivotal connection with a link 73 which is in turn pivotally out of engagement with the clutch element; 65 by the movement of the lever 74 about its ivot. p A coiled tension spring 76 connected at one end to the ivotal connection between the lower end 0' the arm 7 0 and the link 73 and anchored at its opposite end on the frame 40 normally tends toswing the arm 70 in a",

clockwise direction and to shift'the clutch element 66 into engagement with the clutch element 65. A strut 78 fixed on the body 42 or on the sub-frame 43 thereof lies across the rear edge of the arm 70 and holds the same against being swung under the action of the spring 76. The edge of the arm 70 adjacent the strut 78 is preferably arcuate about the axis of pivotal movement of the body 42 so that as the body is pivoted the strut'will remain in engagement with the arm and thereby hold the clutch from being thrown in. g

When the body 42 is raised or tilted, strut 78 rides up the concave edge of the arm 70 and as the strut 78 leaves the upper end of said arm 70, the arm is freed, which permits the spring 76 to draw the pivotal connection between the lower end of the arm 70 and the link 73 forwardly, thereby swinging the lever 74 in a clockwise direction and throwing the clutch in to connect the cam member 56 for rotation with the shaft .57. 'Upon rotation of the cam member 56, its cooperation with the roller 80 shakes orvibrates the body 42 to dislodge and shake the material completely 1 and expediously from the body. The throwing in of the shaking or dislodging means is preferably at the limit of the dumping movement of the body so that the shaking or vibrating action occurs upon completion of the tilting or dumping movement, but this may of course be varied. As the body 42 is again lowered, the engagement of the strut 78 with the arm 70 throws the clutch out and disconnects the cam member 56 from the driving mechanism whereby the shaking or vibrating action is automatically terminated and the body moved back to its normal horizontal position upon the vehicle.

To permit proper cooperation between the,

cam member 56 and the roller 80 in all angular positions of the body- 42, and to properly transmit the shaking action at all times, the roller 80 is preferably journaled in a frame 85 which frame 85 is preferably journaled by pins 86 between brackets or in a frame 87 mounted on the body 42. The roller 80 is thus journaled on a longitudinal axis and the transverse axis of rotation of the frame 85 permits proper cooperation between the roller 80 and the cam iaedmber 56 in all angular positions of the Fiom the foregoing it will now be apparent that the movement of the body 42 in Figs. 3, 4 and 5 automatically brings the vibrating or dislodging means into action and automatically terminates the action of the same upon completion of the dumping operation.

I do not intend to be limited to the precise details shown or described.

I claim 1. In a vehicle of the class described, the combination of a vehicle frame, a dumping body having relatively fixed pivotal support upon said frame and adapted for tilting movement thereon, said body normally having a generally horizontal position and being tiltable therefrom, and means for vibrating the body, said vibrating means permitting movement of the body into and out of tilted position and being cooperable with the body upon completion of the tilting movement thereof to vibrate same after tilting and independently of said frame and augment the tilting of the body in dislodging and discharging the contents therefrom, said vibrating means being inoperative until the body has-reached tilted position.

2. In a vehicle of the class described, the combination of a vehicle frame, a dumping body mounted for tilting movement upon said frame, means for tilting said body,

means independent of the tilting means for vibrating said body to dislodge and discharge the contents therefrom, said vibrating means permitting movement of the body into and out of tilted position, and'means controlled by tilting movement of the body for rendering said vibrating means operative when said body reaches tilted position.

3. In a vehicle of the class described, the combinationof a vehicle frame, a dumping body journalled for tilting movement upon saidframe, and means co-operable with said body throughout its tilting movement for vibrating the body independently of the frame to dislodge and discharge the contents from the body, said vibrating means being inoperative until the body has reached tilted position.

4. In a vehicle of the class described, the combination of a vehicle frame, a source of motive power, a dumping body having fpivot rame ' means loosely journalled upon said for tilting movement of the body and vibratory movement of the pivot means,

means adjacent said pivot means for vibrat-,

in the body and said pivot means to dislo ge and discharge the contents from the body, said last means comprising cooperating cam means androller having the required road clearance therebeneath, a shaft extending horizontally and connected with the source of motive power for driving said cam means, and means for controlling the driving connection to said cam means,

5. In combination, a dumping vehicle having a power element and a t-iltable body, means for vibrating the body to dislodge the contents therefrom, means for driving said vibrating means, and means for automatically connecting said driving means to said power element when said body has been tilted a redetermined amount.

6. In combination, a frame a' dumping body thereon, a power element, means for tilting the body, a shaft having means thereon for vibrating said body to dislodge the contents therefrom, clutch means between said power element and said vibrating shaft, and means controlled by the tilting movement of the bod and independently of said tilting means or controlling said clutch means.

7. In combination, a dumping body, means for tilting said body and for returning same to normal position, means independent of said tilting means for vibrating the body to discharge the contents therefrom, and means controlled by the tilting and return movement of the body for rendering said vibrating means operative and inoperative.

8. In a dumping vehicle, the combination of a vehicle frame, a source of power, a dumping body tiltably mounted upon said frame, means for vibrating the body to dising the body, spring means tending to connect said cam with said source of power, and means comprising a pivoted arm and a strut on the body for normally restraining said spring means and operable to free the same and permit engagement of said connection when the body is tilted.

In witness whereof, I hereunto subscribe my name this third day of December, 1925.

HERMAN C. HEATON. 

